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• Diff.scala

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pine.Diff.scala Maven / Gradle / Ivy

package pine

/** A Diff defines change operations */
sealed trait Diff
object Diff {
  case class SetAttribute[T <: Singleton, U](attribute: Attribute[T, _, U], value: U) extends Diff
  case class UpdateAttribute[T <: Singleton, U](attribute: Attribute[T, U, _], f: U => U) extends Diff
  case class RemoveAttribute[T <: Singleton](attribute: Attribute[T, _, _]) extends Diff
  case class Replace(nodes: List[Node]) extends Diff
  case class SetChildren(children: List[Node]) extends Diff
  case class PrependChildren(children: List[Node]) extends Diff
  case class AppendChildren(children: List[Node]) extends Diff
  case class RemoveNode() extends Diff
}